<?php
// 应用公共文件
function now(){
    return date('Y-m-d H:i:s');
}
function doCurlPostRequest($url = '',Array $data = array())
{
    $data_string = json_encode($data,JSON_UNESCAPED_UNICODE);
    // $data_string = $data;
    $curl_con = curl_init();
    curl_setopt($curl_con, CURLOPT_URL,$url);
    curl_setopt($curl_con, CURLOPT_HEADER, false);
    curl_setopt($curl_con, CURLOPT_POST, true);
    curl_setopt($curl_con, CURLOPT_RETURNTRANSFER, TRUE);
    curl_setopt($curl_con, CURLOPT_CONNECTTIMEOUT, 5);
    curl_setopt($curl_con, CURLOPT_HTTPHEADER, array(
            'Content-Type: application/json',
            'Content-Length: ' . strlen($data_string))
    );
    curl_setopt($curl_con, CURLOPT_POSTFIELDS, $data_string);
    $res = curl_exec($curl_con);
    curl_close($curl_con);
    return $res;
}